1. Flowering plants that have two cotyledons (seed leaves) and typically have net-veined leaves, flower parts in multiples of four or five, and a taproot system.
Usage: plural form; singular is dicotyledon; botanical term; also called dicots

Examples

• Roses, beans, and oak trees are all dicotyledons.
• Dicotyledons make up the majority of flowering plants on Earth.
• The leaves of most dicotyledons have a branching vein pattern.
• Dicotyledons typically have taproots that grow deep into the soil.
• Botanists classify flowering plants into dicotyledons and monocotyledons based on seed structure.